Three to five layer co extrusion (upward blowing traction rotation) film blow molding unitIn order to meet customers' requirements for high-quality and high-yield blown film equipment, advanced technologies and equipment such as extruders with forced feeding function, compact double air vent air rings, horizontal rotary traction system, IBC film bubble internal cooling system, fully automatic double section double winding surface friction winding machine, and computer centralized control system have been adopted. Compared with similar devices, it has the advantages of compact structure, higher output, better product quality, more energy-efficient machines, and easy operation. It can be widely used in the production of various high transparency packaging films, creating considerable economic benefits for you.